(5-Cyclopropyl-2-isopropylpyridin-3-yl)boronic acid CAS 2225174-52-5
| CAS No. | 2225174-52-5 |
| Molecular Formula | C11H16BNO2 |
| Molecular Weight | 205.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
(5-Cyclopropyl-2-isopropylpyridin-3-yl)boronic acid (CAS 2225174-52-5), molecular formula C11H16BNO2 and molecular weight 205.06 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (5-Cyclopropyl-2-isopropylpyridin-3-yl)boronic acid (C11H16BNO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 4.5, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 205.06 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C11H16BNO2 |
| Molecular Weight | 205.06 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Nitrogen Atoms | 1 |
Related Cyclopropyl Standards
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Recommended Standards
- (4-(Piperidin-1-yl)phenyl)boronic acid (CAS 229009-42-1)
- (6-Cyclohexylpyridin-3-yl)boronic acid (CAS 2225173-72-6)
- (3-Cyclohexylpyridin-4-yl)boronic acid (CAS 2225175-85-7)
- [2-Methyl-5-(pyrrolidin-1-yl)phenyl]boronic acid (CAS 2225173-84-0)
- (2-Cyclopropoxy-6-methylphenyl)methanamine (CAS 1243471-95-5)
- 1-(4-Bromophenyl)-5-(thiophen-3-yl)-1H-pyrazole (CAS 1269293-87-9)
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